C13223313311212111133133313331333132333133313331323133312113313232212321   >>    C1322331331121211113313331333133313233313331333132313331211331323221232   <<    C13223313311212111133133313331333132333133313331323133312113313232212323   >>      C13223313311212111133133313331333132333133313331323133312113313232212322   >>